A researcher investigated the impact of reading medium on comprehension. They tested 30 participants reading from a printed book in a quiet, secluded study room, and then tested the exact same 30 participants reading from an e-reader in a busy, noisy open-plan library.
Suggest one way in which the researcher could modify this study to improve its internal validity. Justify your answer.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
